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Finding the Fourth Proportional to 374.44, 561.28 and 229.88

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Solution

The fourth proportional to 374.44, 561.28 and 229.88 is: 344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.44 : 561.28 = 229.88 : x
  2. Step 2: Convert to fraction form
    374.44/561.28 = 229.88/x
  3. Step 3: Cross multiply
    374.44x = 561.28 × 229.88
  4. Step 4: Simplify right side
    374.44x = 129,027.05
  5. Step 5: Solve for x
    x = 129,027.05/374.44
  6. Step 6: Final answer
    x = 344.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.